Summary of Introduction to the United States

## Introduction The United States is a large, diverse country with complex geography, history, government, and culture. This study guide condenses essential facts and concepts about the United States into clear sections for quick learning and deeper study. ## Geography and Political Units ### States and Contiguity - The United States has **50 states** in total; **48** contiguous states (the Lower 48) plus **Alaska** and **Hawaii**. > Definition: A contiguous state is one that shares land borders with other U.S. states; Alaska and Hawaii are noncontiguous. ### Time Zones - The U.S. spans **6 primary time zones** in domestic use (including territories can increase this number). ### Major Natural Features - **Longest river:** Missouri River, approximately 2,341 miles (3,767 km). - **State with the longest coastline:** Alaska. - **Largest state by area:** Alaska. Fun fact: The Missouri River, at about 2,341 miles (3,767 km), is often cited as the longest river in the United States depending on measurement methods ## Symbols and National Icons - **National bird:** Bald Eagle. - **Statue of Liberty:** Gift from France to commemorate the 100th anniversary of American independence; an enduring symbol of freedom and immigration. ## History and Settlement ### Early Visitors and Discoverers - **Leif Erikson** is often credited as an early European visitor to North America around the year 1000. ### Colonization Motivations - Europeans colonized and settled parts of what became the United States to secure **GOLD, GOD, GLORY**: economic resources and trade, territorial expansion and prestige, and proselytizing Christianity. > Definition: Colonization is the process by which a country establishes control over foreign territory, often involving settlement and resource extraction. ### Indigenous Peoples - The original inhabitants are **Indigenous peoples** of the Americas. (Note: do not cover Great Lakes Indigenous Peoples here.) Fun fact: Indigenous nations across what is now the United States spoke hundreds of languages and developed diverse political and ecological systems before European contact ## Government and Political Structure - **Type of government:** Constitutional federal representative democracy. - **Capital:** Washington, D.C. - **Number of U.S. presidents to date:** 47 (note: count depends on whether acting presidents are included; here 47 refers to individuals who have held the office as President). > Definition: A federal system divides powers between a national (federal) government and state governments. ## Demographics and Society - **Population:** Approximately $340$–$350$ million. - **Largest city:** New York City. - **Major ethnic groups:** White (non-Hispanic), Hispanic or Latino, Black or African American, Asian. - **Prominent religion:** Christianity is the largest single religious affiliation. ### Cultural Metaphors: "Melting Pot" vs "Salad Bowl" - "Melting pot": cultures assimilate into a single, blended identity. - "Salad bowl": diverse cultures coexist while retaining distinct identities. - Historically the U.S. has been described as a **melting pot**, though many scholars and communities prefer the **salad bowl** metaphor to emphasize multiculturalism. Fun fact: The phrase "melting pot" became popular after a 1908 play titled The Melting Pot, which described America as a place where immigrants fuse into one culture ## Economy and Exports - **Major exports:** crude petroleum, refined petroleum, petroleum gas, machinery, automobiles, gas turbines. ## Ecology and Biodiversity - **Identified native species:** about $200{,}000$ species of flora and fauna have been identified as native to the U.S. ### Species Important to Indigenous Life - One animal that once numbered around 60 million and was essential to many Native American peoples was the **bison** (American buffalo). They provided food, clothing, shelter materials, and tools, and played central cultural and economic roles. Fun fact: Bison popu